Hibernation Manager Premium v2.2.1 Apk : 
: Hibernation Manager Premium CPU hibernation automatically sets CPU (processor) to the lowest possible frequency and voltage which ensures huge battery savings.
This computing power drains a lot of battery and is used when you do not need it. That is why CPU frequency needs to be lowered when the screen is OFF.
If you hate frequently changing your settings or you just want to save more battery, this option is suitable for you. It is better to have enabled hibernation for all settings, because this mode will automatically hibernate only currently active settings.
Some of your installed apps are constantly performing some battery-draining tasks in background. For example: social app updates your status and checks for the new messages. If you hibernate this app, it stops all tasks running in background (services) which causes extreme battery savings. The hibernation is more effective than task killer or any other memory cleaner.
